/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.setting;

import static com.google.common.base.Preconditions.checkNotNull;
import static org.apache.commons.lang3.StringUtils.EMPTY;

import java.util.Hashtable;
import java.util.Map;
import org.springframework.stereotype.Service;

/**
 * @author James Chang
 */
@Service("org.hisp.dhis.setting.TranslateSystemSettingManager")
public class DefaultTranslateSystemSettingManager implements TranslateSystemSettingManager {
  // -------------------------------------------------------------------------
  // Dependencies
  // -------------------------------------------------------------------------

  private final SystemSettingManager systemSettingManager;

  public DefaultTranslateSystemSettingManager(SystemSettingManager systemSettingManager) {
    checkNotNull(systemSettingManager);

    this.systemSettingManager = systemSettingManager;
  }

  // -------------------------------------------------------------------------
  // Method implementation
  // -------------------------------------------------------------------------

  @Override
  public Map<String, String> getTranslationSystemAppearanceSettings(String locale) {
    Map<String, String> translations = new Hashtable<>();

    translations.put(
        SettingKey.APPLICATION_TITLE.getName(),
        getSystemSettingWithFallbacks(
            SettingKey.APPLICATION_TITLE,
            locale,
            SettingKey.APPLICATION_TITLE.getDefaultValue().toString()));
    translations.put(
        SettingKey.APPLICATION_INTRO.getName(),
        getSystemSettingWithFallbacks(SettingKey.APPLICATION_INTRO, locale, EMPTY));
    translations.put(
        SettingKey.APPLICATION_NOTIFICATION.getName(),
        getSystemSettingWithFallbacks(SettingKey.APPLICATION_NOTIFICATION, locale, EMPTY));
    translations.put(
        SettingKey.APPLICATION_FOOTER.getName(),
        getSystemSettingWithFallbacks(SettingKey.APPLICATION_FOOTER, locale, EMPTY));
    translations.put(
        SettingKey.APPLICATION_RIGHT_FOOTER.getName(),
        getSystemSettingWithFallbacks(SettingKey.APPLICATION_RIGHT_FOOTER, locale, EMPTY));

    return translations;
  }

  // -------------------------------------------------------------------------
  // Support Method implementation
  // -------------------------------------------------------------------------

  private String getSystemSettingWithFallbacks(
      SettingKey keyName, String localeStr, String defaultValue) {
    String settingValue = EMPTY;

    settingValue =
        systemSettingManager.getSystemSettingTranslation(keyName, localeStr).orElse(defaultValue);

    return settingValue;
  }
}
